package com.erms.dao;

import java.util.List;
import org.hibernate.LockMode;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

import com.erms.bean.Teach;

/**
 * A data access object (DAO) providing persistence and search support for Teach
 * entities.
 * Transaction control of the save(), update() and delete() operations
 * can directly support Spring container-managed transactions or they can be
 * augmented to handle user-managed Spring transactions.
 * Each of these methods provides additional information for how to configure it
 * for the desired type of transaction control.
 * 
 * @see com.erms.bean.Teach
 * @author MyEclipse Persistence Tools
 */
public class TeachDAO extends HibernateDaoSupport {
	private static final Logger	log				= LoggerFactory
														.getLogger(TeachDAO.class);
	// property constants
	public static final String	SEQ				= "seq";
	public static final String	TEACHER_NAME	= "teacherName";
	public static final String	TEACHER_ID		= "teacherId";
	public static final String	DAY_OF_WEEK		= "dayOfWeek";
	public static final String	SECTION_OF_DAY	= "sectionOfDay";
	public static final String	ADDRESS			= "address";
	public static final String	WEEK			= "week";
	public static final String	MONITOR			= "monitor";
	public static final String	NOTE			= "note";

	protected void initDao() {

		// do nothing
	}

	public void save(Teach transientInstance) {

		log.debug("saving Teach instance");
		try {
			getHibernateTemplate().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(Teach persistentInstance) {

		log.debug("deleting Teach instance");
		try {
			getHibernateTemplate().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public Teach findById(java.lang.String id) {

		log.debug("getting Teach instance with id: " + id);
		try {
			Teach instance = (Teach) getHibernateTemplate().get(
					"com.erms.bean.Teach", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(Teach instance) {

		log.debug("finding Teach instance by example");
		try {
			List results = getHibernateTemplate().findByExample(instance);
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {

		log.debug("finding Teach instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from Teach as model where model."
					+ propertyName + "= ?";
			return getHibernateTemplate().find(queryString, value);
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findBySeq(Object seq) {

		return findByProperty(SEQ, seq);
	}

	public List findByTeacherName(Object teacherName) {

		return findByProperty(TEACHER_NAME, teacherName);
	}

	public List findByTeacherId(Object teacherId) {

		return findByProperty(TEACHER_ID, teacherId);
	}

	public List findByDayOfWeek(Object dayOfWeek) {

		return findByProperty(DAY_OF_WEEK, dayOfWeek);
	}

	public List findBySectionOfDay(Object sectionOfDay) {

		return findByProperty(SECTION_OF_DAY, sectionOfDay);
	}

	public List findByAddress(Object address) {

		return findByProperty(ADDRESS, address);
	}

	public List findByWeek(Object week) {

		return findByProperty(WEEK, week);
	}

	public List findByMonitor(Object monitor) {

		return findByProperty(MONITOR, monitor);
	}

	public List findByNote(Object note) {

		return findByProperty(NOTE, note);
	}

	public List findAll() {

		log.debug("finding all Teach instances");
		try {
			String queryString = "from Teach";
			return getHibernateTemplate().find(queryString);
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public Teach merge(Teach detachedInstance) {

		log.debug("merging Teach instance");
		try {
			Teach result = (Teach) getHibernateTemplate().merge(
					detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(Teach instance) {

		log.debug("attaching dirty Teach instance");
		try {
			getHibernateTemplate().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(Teach instance) {

		log.debug("attaching clean Teach instance");
		try {
			getHibernateTemplate().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public static TeachDAO getFromApplicationContext(ApplicationContext ctx) {

		return (TeachDAO) ctx.getBean("TeachDAO");
	}
}
